/**
 * Copyright 2022 chyroc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package internal

import (
	"math/rand"
	"strings"
	"time"
)

// RandString ...
func RandString(count int) string {
	s := strings.Builder{}

	for i := 0; i < count; i++ {
		s.WriteByte(randStringSource[rand.Intn(len(randStringSource))])
	}
	return s.String()
}

func init() {
	rand.Seed(time.Now().UnixNano())
}

var randStringSource = []byte("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
